S
M
T
W
T
F
S
26
85°
53°
27
88°
63°
28
84°
68°
29
82°
67°
30
81°
67°
31
87°
63°
1
89°
63°
2
89°
74°
3
87°
68°
4
87°
65°
5
81°
70°
6
87°
69°
7
86°
70°
8
85°
68°
9
88°
67°
10
91°
69°
11
90°
67°
12
83°
65°
13
82°
63°
14
83°
61°
15
81°
59°
16
80°
59°
17
79°
63°
18
86°
58°
19
86°
65°
20
85°
63°
21
86°
59°
22
85°
63°
23
87°
65°
24
88°
65°
25
87°
64°
26
85°
63°
27
80°
63°
28
81°
64°
29
84°
62°
30
85°
63°
31
85°
62°
1
84°
59°
2
78°
55°
3
77°
54°
4
77°
54°
5
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mainland
Mainland's August 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 53° and 70°. The average high for August is 84° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Mainland. See also: September | October | November.
